Solar flares on April 20, 2001
The most powerful solar flare in 24 hours
M1.0 (strong) flare - April 20 at 10:53 AM
Solar activity index
Value as of the end of the day on April 20, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2001 to April 20, 2001
Time zone — UTC+05:30 (Thane)
List of solar flares for April 20, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 22:24 | 22:28 | 22:31 | — |
| C4.2 | 19:37 | 19:47 | 19:58 | — |
| C7.0 | 18:23 | 18:34 | 18:47 | — |
| C1.5 | 14:16 | 14:20 | 14:23 | 9432 |
| C1.9 | 12:35 | 12:39 | 12:42 | 9433 |
| M1.0 | 10:31 | 10:53 | 11:13 | 9433 |